filename = 'learning_python'
#读取文件
with open(filename) as file_object:
    lines = file_object.readlines()
    # print("what can we do with python?\n")
    # for line in file_object:
    #     line.replace('python','CPP')
    #     print(f"\t{line.rstrip()}")
print("What can we do with python?")
for line in lines:
    line = line.replace('python','Cpp')
    print(f"\t{line.rstrip()}")

